For a smaller dose: Seek out any of the numerous volunteer activities that are sure to be available in most cities. For example, I found a literacy center near

For a smaller dose: Seek out any of the numerous volunteer activities that are sure to be available in most cities. For example, I found a literacy center near me that teaches adults who want it reading/writing/basic math. I spent 3~ hours a week for 9~ months teaching a man who had immigrated here and it was an extremely fulfilling experience for both of us, at minimal effort.